再造工程
参考答案：
简单地说就是以工作流程为中心，重新设计企业的经营、管理及运用方式。
One of my close friends made great progress in her studies so her teachers ____ her, and I _____ her. [ ]
A. were happy with; was happy with
B. were happy for; was happy for
C. were happy with; was happy for
D. were happy for; was happy with
有关离子型对比剂的叙述，错误的是（）。
A.不属于盐类
B.系三碘苯环化合物
C.泛影钠属离子型对比剂
D.在水溶液中离解成阳离子
E.在水溶液中离解成阴离子
